/* common.css – 공통 스타일 */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: #f0f4f8;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  height: 58px;
  background: #ffffff;
  border-bottom: 3px solid #3b82f6;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
  display: flex;
  align-items: center;
  padding: 0 40px;
  gap: 16px;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 19px;
  color: #1e293b;
  text-decoration: none;
  flex-shrink: 0;
}

.logo span {
  color: #3b82f6;
}

.header-crumb {
  font-size: 13px;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.header-crumb a {
  color: #94a3b8;
  text-decoration: none;
}
.header-crumb a:hover {
  color: #3b82f6;
}
.header-crumb .sep {
  color: #e2e8f0;
}
.header-crumb .active {
  color: #64748b;
  font-weight: 500;
}

.header-right {
  margin-left: auto;
  flex-shrink: 0;
}

/* ── 버튼 ── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border-radius: 8px;
  border: 1.5px solid #e2e8f0;
  background: #ffffff;
  color: #1e293b;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition:
    border-color 0.15s,
    color 0.15s,
    background 0.15s;
}
.btn:hover {
  border-color: #3b82f6;
  color: #3b82f6;
}
.btn-primary {
  background: #3b82f6;
  color: #fff;
  border-color: #3b82f6;
}
.btn-primary:hover {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}
.btn-danger {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}
.btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}
.btn-gray {
  background: #64748b;
  color: #fff;
  border-color: #64748b;
}
.btn-gray:hover {
  background: #475569;
  border-color: #475569;
  color: #fff;
}

/* ── 태그 ── */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}
.tag-cve {
  background: #34495e;
}
.tag-zero {
  background: #e74c3c;
}
.tag-one {
  background: #f39c12;
}
.tag-inj {
  background: #34495e;
}
.tag-xss {
  background: #e74c3c;
}
.tag-csrf {
  background: #f39c12;
}